TY  - RPRT
TI  - Deterministic direct aperture optimization using multiphase piecewise constant segmentation
AU  - Nguyen, Dan
AU  - O'Connor, Daniel
AU  - Ruan, Dan
AU  - Sheng, Ke
PY  - 2017
DO  - 10.1002/mp.12529
UR  - https://www.osti.gov/biblio/1393990
ID  - 1393990
ER  -